The present disclosure relates to an automated driving control device, a system including the automated driving control device, and a method of automated driving control. The automated driving control device may include: a high-precision lane-level road map storage storing a high-precision lane-level road map; a position recognition controller recognizing a current position of a vehicle based on the high-precision lane-level road map, position recognition information, and vehicle control information; and a vehicle controller generating a path for driving to a destination based on the position of the vehicle recognized by the position recognition controller and obstacle recognition information, and controlling driving of the vehicle.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An automated driving control device, comprising: a memory configured to store a lane-level road map including map identifiers (MAP IDs) corresponding to respective positions of a vehicle, lane identifiers (LANE IDs) associated with lane information, and link identifiers (LINK IDs), and a navigation map including the MAP IDs and the LINK IDs; and a processor configured to execute instructions stored in the memory and configured to: recognize a current position of the vehicle based on the lane-level road map, position recognition information, and vehicle control information including the lane information associated with respective LANE IDs; generate a global path on the navigation map and a local path on the lane-level road map for driving to a destination using the current position of the vehicle based on the lane-level road map and obstacle recognition information; and control driving of the vehicle, wherein the LINK IDs in the lane-level road map correspond to the LINK IDs in the navigation map, and the LINK IDs associate the lane information of the lane-level road map with navigation map data of the navigation map, and wherein the processor is further configured to: use the LINK IDs to identify the current position of the vehicle on a current lane in which the vehicle is traveling on the lane-level road map, access to lane information of the current lane stored in the lane-level road map, and generate the vehicle control information including a lateral offset of the vehicle with respect to a centerline of the current lane and a heading angle of the vehicle with respect to the centerline so as to determine a lane change timing and a change to a steering angle of the vehicle to follow the local path.
2. The automated driving control device according to claim 1 , wherein the lane information includes information about a connection of a lane section on which the vehicle is currently driving to another lane section ahead of or behind the vehicle.
3. The automated driving control device according to claim 1 , wherein the processor is configured to: fuse the position recognition information and the vehicle control information based on the lane-level road map; and generate a position recognition message containing the fused position recognition information and vehicle control information.
4. The automated driving control device according to claim 1 , wherein the processor is configured to: generate the global path when the destination is input; and generate the local path using the position recognition information, the vehicle control information, the lane-level road map, and the obstacle detection information while the vehicle is driving.
5. The automated driving control device according to claim 4 , wherein the processor is configured to calculate the current position of the vehicle to determine whether or not the vehicle has arrived at the destination.
6. The automated driving control device according to claim 1 , wherein the position recognition information includes at least one of a MAP ID corresponding to the current position of the vehicle, the LINK IDs, or a LANE ID corresponding to the current lane in which the vehicle is traveling, with respect to the current position of the vehicle.
7. The automated driving control device according to claim 1 , wherein the vehicle control information includes at least one of a width of a currently driving lane, a distance left to a next node with respect to the current position of the vehicle, or a curvature of a road with respect to the current position of the vehicle.
8. An automated driving control system, comprising: a context-aware sensor system configured to detect an obstacle around a vehicle; and an automated driving control device comprising: a memory configured to store position recognition information received from the vehicle from global navigation satellite system (GNSS) information, obstacle detection information received from the context-aware sensor system, and a lane-level road map; and a processor configured to execute instructions stored in the memory and configured to: generate a path on a navigation map of the vehicle based on the position recognition information, vehicle control information, the lane-level road map, and the obstacle detection information; and control automated driving of the vehicle, wherein the lane-level road map includes map identifiers (MAP IDs) corresponding to respective positions of the vehicle, lane identifiers (LANE IDs) associated with lane information, and link identifiers (LINK IDs), and the navigation map includes MAP IDs and the LINK IDs, wherein the LINK IDs in the lane-level road map correspond to the LINK IDs in the navigation map, and the LINK IDs associate the lane information of the lane-level road map with navigation map data of the navigation map, and wherein the processor is further configured to: use the LINK IDs to identify a current position of the vehicle on a current lane in which the vehicle is traveling on the lane-level road map, access to the lane information of the current lane stored in the lane-level road map, and generate the vehicle control information including a lateral offset of the vehicle with respect to a centerline of the current lane and a heading angle of the vehicle with respect to the centerline so as to determine a lane change timing and a change to a steering angle of the vehicle to follow the path.
9. The automated driving control system according to claim 8 , wherein the processor is configured to: recognize the current position of the vehicle based on the lane-level road map, the position recognition information, and the vehicle control information; generate a path for driving to a destination based on the current position of the vehicle; and control the driving of the vehicle.
10. The automated driving control system according to claim 8 , wherein the context-aware sensor system comprises at least one of a camera, a radio detection and ranging (RADAR) sensor, a light detection and ranging (LiDAR) sensor, or an ultrasonic sensor.
11. An automated driving control method, comprising: generating, by a path generation unit, a global path on a navigation map when a destination is input; starting, by an automated driving control device, a vehicle to drive according to the global path; generating, by the path generation unit, a local path on the navigation map using at least one of position recognition information based on a lane-level road map, vehicle control information, or obstacle detection information while the vehicle is driving; and controlling, by the automated driving control device, the vehicle to drive according to the local path, wherein the lane-level road map includes map identifiers (MAP IDs) corresponding to respective positions of the vehicle, lane identifiers (LANE IDs) associated with lane information, and link identifiers (LINK IDs), and the navigation map includes MAP IDs and the LINK IDs, wherein the LINK IDs in the lane-level road map correspond to the LINK IDs in the navigation map, and the LINK IDs associate the lane information of the lane-level road map with navigation map data of the navigation map, wherein the LINK IDs are used to identify a current position of the vehicle on a current lane in which the vehicle is traveling on the lane-level road map, and wherein generating the local path comprises: accessing to the lane information of the current lane stored in the lane-level road map, generating the vehicle control information including a lateral offset of the vehicle with respect to a centerline of the current lane and a heading angle of the vehicle with respect to the centerline, determining a lane change timing and a change to a steering angle of the vehicle to follow the local path.
12. The automated driving control method according to claim 11 , further comprising: calculating, by the automated driving control device, the current position of the vehicle to determine whether or not the vehicle has arrived at the destination, and ceasing to control the vehicle when the vehicle has arrived at the destination.
13. The automated driving control method according to claim 11 , wherein the lane information includes information about a connection of a lane section on which the vehicle is currently driving to another lane section ahead of or behind the vehicle.
14. The automated driving control method according to claim 11 , wherein the position recognition information includes at least one of a MAP ID corresponding to the current position of the vehicle, the LINK IDs, or a LANE ID corresponding to the current lane in which the vehicle is traveling, with respect to the current position of the vehicle.
15. The automated driving control method according to claim 11 , wherein the vehicle control information includes at least one of a width of a currently driving lane, a distance left to a next node with respect to the current position of the vehicle, or a curvature of a road with respect to the current position of the vehicle.
16. The automated driving control method according to claim 11 , wherein the generating of the local path comprises determining the lane change timing when there is an obstacle around the vehicle from the obstacle detection information, generating a lane change curve, and calculating a controlled variable of the vehicle.
17. The automated driving control method according to claim 16 , wherein the controlled variable of the vehicle comprises variables associated with steering the vehicle and a speed of the vehicle.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
May 30, 2017
May 26, 2020
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.